Building material



April 21, 1936. s. SWANSON BUILDING MATERIAL Filed June 29,, 1955 Patented Apr. 21, 1936 2,038,250

UNITED STATES PATENT OFFICE BUILDING MATERIAL Swan Swanson, Sparta, Mich.

Application June 29, 1935, Serial No. 29,138

3 Claims. (Cl. 20-4) The invention has relation to building matethe half logs as the wall is erected to keep out rial for the side walls of .a house, and also to a air and moisture. frameless house, having for an object to reduce In Figure 4, of the drawing, the longitudinal costs of manufacture and assembly. Another obbuilding units l are exteriorly finished to simu- 5 iect is to provide a frameless house the erection late the ordinary siding of a frame house, being 5 of which will be facilitated. Other objects and provided with tongue and groove joints II to advantages will appear hereinafter. keep out air and moisture and help maintain The invention consists in the novel construcalignment, and the insert units 8 project intion and combinations of parts as set forth in wardly beyond the vertical inner faces of the 10 the appended claims. upper and lower spaced portions 5 and 6. Said 10 In the accompanying drawing illustrating cerinsert units are shown as adapted for the aptain embodiments of the invention, plication of expanded metal lath l2, and the re- Figure 1 is a perspective view of the invention, cesses l3 afforded enable plaster applied over partly in section and broken away. said expanded metal to lock in behind the same.

Figure 2 is a side view of the invention from In Figure 3, of the drawing, the longitudinal 15 the inner side, and partly broken away. building units l are finished exteriorly with ver- I Figure 3 is a perspective view of a modification, tical faces in the same plane.

partly in section and broken away. A house trailer for a motor car has been built Figure 4 is a similar view of another modificain accord with the invention and reduces the 0 bi n, weight to nearly half of any other such trailer In the drawing, the numeral I, designates lonon the market, at the same time giving a stronger gitudinal units, each centrally hollowed out from construction. one side to provide an air space 2 and an open In some instances small or lodge pole timber side 3, said units being squared off at top and may be used to advantage, such timber being of bottom at 4, and including spaced horizontal little value for square timber owing to its small 25 upper and lower portions 5 and 6, provided with size. A rustic exterior and finished interior is inner opposite grooves I. also provided to advantage by the use of this in- Planular vertical insert units 8, are engaged vention. with the inner opposite grooves 1, of each longi- I claim: tudinal building unit I, and serve to close in the 1. Building material, comprising longitudinal 30 air space thereof and to brace the upper and units squared off at top and bottom and each lower horizontal spaced portions 5 and 6 apart. centrally hollowed out from one side to provide In the erection of a frameless house, spaced an air space and an open side and including vertical steel rods 9, are secured at their lower spaced upper and lower portions having inner ends in a suitable base or foundation, the upp opposite grooves, and planular vertical insert and lower spaced portions 5 and 6 of the longi u its engaging said grooves, bracing said upper tudinal building units being p ov ded w p and lower spaced portions apart and closing in forations with which said steel rods are engaged said air spaces, said longitudinal units being as said buildi g units are piled p one adapted to be piled upon one another to form the other to form the side walls of the house. Said d Wall of a h 40 side walls being completed and suitably joined 2, I fr mel hou a, ba m b or at the Cor e the upper ends of Bald Steel rods foundation, spaced vertical steel rods secured at are secured tog t y Suitable means to hold their lower ends in said foundation, longitudinal the assembly together, after which the roof is units squared off at top and bottom and each 45 placed in, position. centrally hollowed out from one side to provide I Figure 1 0f the drawing. the longitudinal an air space and an open side and including building units are shown as half logs, formed of spaced upper d lower portions having inner entire logs Ce t al y and longitudinally divided opposite grooves, planular vertical insert units 5 through the hearts thereof, and the insert units engaging said grooves, bracing said upper and are shown as of wallboard, such as ply Wood, lower spaced portions apart and closing in said the vertical inner faces of the upper and lower air spaces, said longitudinal units having spaced spaced portions 5 and 6 of the building units perforations with which said steel rods are entogether with said insert units, forming a paneled gaged as they are piled upon one another to form interior wall. Felt strips ID are located between the side walls of the house, and means engaging 55 the upper ends of said steel rods to hold the assembly together.

3. Building material, comprising longitudinal units, squared off at top and bottom and each centrally hollowed out from one side to provide an air space and an open side and including spaced upper and lower portions having inner opposite grooves, and planular vertical insert units engaging said grooves, bracing said upper and lower spaced portions apart and closing in said air spaces, said longitudinal units being adapted to be piled upon one another to form the side walls of a house, the vertical inner faces of said upper and lower spaced portions and of said insert units being so related as to give a paneled effect and provide recesses.

SWAN SWANSON. 

